Engine, On-board computer and displays, Display messages – Mercedes-Benz 2014 GLK Class User Manual

Page 249

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Display messages

Possible causes/consequences and M Solutions

Adaptive Highbeam

Assist Inoperative

Adaptive Highbeam Assist is faulty.

X

Visit a qualified specialist workshop.

Adaptive Highbeam

Assist Currently

Unavailable See

Operator's Manual

Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:

R

the windshield in the camera's field of vision is dirty.

R

visibility is impaired due to heavy rain, snow or fog.

X

Clean the windshield.

If the system detects that the camera is fully operational again,
the

Adaptive Highbeam Assist Now Available again

message is displayed.
Adaptive Highbeam Assist is operational again.

Engine

Display messages

Possible causes/consequences and M Solutions

+

Check Coolant

Level See

Operator's Manual

The coolant level is too low.

!

Avoid making long journeys with too little coolant in the engine

cooling system. The engine will otherwise be damaged.

X

Add coolant, observing the warning notes before doing so
(

Y

page 304).

X

If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop.

?

The fan motor is faulty.

X

At coolant temperatures below 248 ‡ (120 †) drive to the
nearest qualified specialist workshop.

X

Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic.

Display messages

247

On-board computer and displays

Z

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